--- rcsintro.1-orig	2007-01-01 17:59:00.000000000 -0500
+++ rcsintro.1	2007-01-01 18:03:49.000000000 -0500
@@ -1,9 +1,16 @@
+.fi
 .de Id
 .ds Rv \\$3
 .ds Dt \\$4
 ..
 .Id $Id: rcsintro.1,v 5.3 1993/11/03 17:42:27 eggert Exp $
 .ds r \&\s-1RCS\s0
+.\" DS and DE will be added to the portable man macros; until then,
+.\" leave this here. 
+.de DS
+.nf
+..
+.de DE
 .if n .ds - \%--
 .if t .ds - \(em
 .if !\n(.g \{\
@@ -285,18 +292,16 @@
 details.
 .SH IDENTIFICATION
 Author: Walter F. Tichy.
-.br
+.DS
 Manual Page Revision: \*(Rv; Release Date: \*(Dt.
-.br
 Copyright \(co 1982, 1988, 1989 Walter F. Tichy.
-.br
 Copyright \(co 1990, 1991, 1992, 1993 Paul Eggert.
+.DE
 .SH "SEE ALSO"
 ci(1), co(1), ident(1), rcs(1), rcsdiff(1), rcsintro(1), rcsmerge(1), rlog(1)
-.br
+.PP
 Walter F. Tichy,
 \*r\*-A System for Version Control,
 .I "Software\*-Practice & Experience"
 .BR 15 ,
 7 (July 1985), 637-654.
-.br